Re: [PATCH v7 00/14] Add DisplayPort support for QCS615 platform

[Xiangxu Yin <xiangxu.yin@oss.qualcomm.com>]

Vinod,

Please let me know if there's anything pending on my side to get this patch applied.


On 9/26/2025 3:25 PM, Xiangxu Yin wrote:
> This series aims to extend the USB-C PHY to support DP mode and enable
> DisplayPort on the Qualcomm QCS615 platform.
>
> The devicetree modification for DisplayPort on QCS615 will be provided
> in a future patch.
>
> Signed-off-by: Xiangxu Yin <xiangxu.yin@oss.qualcomm.com>
> ---
> Changes in v7:
> - Fix QSERDES_V2_TX_LANE_MODE_1 configuration from COM init table to configure_dp_tx().
> - Link to v6: https://lore.kernel.org/r/20250925-add-displayport-support-for-qcs615-platform-v6-0-419fe5963819@oss.qualcomm.com
>
> Changes in v6:
> - Move usb3dpphy_reset_l definition to the patch adding compatible and related config data. [Dmitry]
> - Add NOTE about SW_PORTSELECT/orientation handling. [Dmitry]
> - Use C99-style loop variable declaration in msm_dp_link_lane_map. [Rob]
> - Update commit msg with issue description for [05/14, 06/14, 07/14，12/14].
> - Link to v5: https://lore.kernel.org/r/20250919-add-displayport-support-for-qcs615-platform-v5-0-eae6681f4002@oss.qualcomm.com
>
> Changes in v5:
> - Add new patch to introduce QSERDES v2 COM/TXRX register headers.
> - Restore legacy reset & clock register logic. [Dmitry]
> - Update phy_xlate() to return ERR_PTR(-ENODEV) when dp_phy is NULL. [Dmitry]
> - Rename helper from qmp_check_mutex_phy() to qmp_usbc_check_phy_status(). [Dmitry]
> - Drop storing struct device *dev in dp_link as it is only used once. [Dmitry]
> - Add robust lane mapping: default 1:1, complete partial configs. [Dmitry]
> - Reorganize sub-patches v5[07/14， 08/14, 11/14， 12/14] as suggested.
> - Link to v4: https://lore.kernel.org/all/20250911-add-displayport-support-for-qcs615-platform-v4-0-2702bdda14ed@oss.qualcomm.com/
>
> Changes in v4:
> - Drop patch v3[01/14 & 13/14], will sutbmit new patchsets based mst dt binding series.
> - Update maintainer of qcom,qcs615-qmp-usb3dp-phy.yaml to myself.
> - Add missing aux and pipe clocks. [Dmitry]
> - Drop second TCSR phandle; register offsets are described directly. [Dmitry]
> - Add USBC PHY series related init_load_uA configs. [Dmitry]
> - Drop v3[04/14] qmp_phy_usbc_type define and use dp_serdes offsets to confirm DP capability [Dmitry]
> - Reorganize sub-patches as suggested.
> - Link to v3: https://lore.kernel.org/all/20250820-add-displayport-support-for-qcs615-platform-v3-0-a43bd25ec39c@oss.qualcomm.com/
>
> Changes in v3:
> - Renamed qcom,qcs615-qmp-dp-phy.yaml in v2 to qcom,qcs615-qmp-dp-phy.yaml in v3 for QCS615 USB3+DP PHY.
> - Updated patch v3[02/14] to revise binding title, description, and property order. [Krzysztof]
> - Updated commit messages in patch v3[01/14] and [13/14] to reflect the DTSI rename and clarify compatibility. [Krzysztof]
> - Added USB3+DP mode implementation in patches v3 [003–012], organized in logical chunks. [Dmitry]
> - Dropped patch v2[03/13] to maintain full backward compatibility with USBC.
> - Link to v2: https://lore.kernel.org/all/20250722-add-displayport-support-for-qcs615-platform-v2-0-42b4037171f8@oss.qualcomm.com/
>
> Changes in v2:
> - Add new binding qcom,qcs615-qmp-dp-phy.yaml for QCS615 standalone DP
> - Split DP PHY driver into patches 4-11 by logical chunks [Dmitry]
> - Update DP PHY configuration flow to align with QMP Combo PHY implementation [Dmitry]
> - Update all hex values to lowercase [Dmitry]
> - Remove redundant comments in DP PHY driver [Krzysztof]
> - Remove invalid USBC type define [Dmitry]
> - Move lane_map， max_dp_lanes， max_dp_link_rate parsing logic to dp_link [Dmitry]
> - Add TCSR-based mutex logic for DP and USB PHY coexistence [Dmitry]
> - Drop patches 6–8 and remove related binding properties as rejected upstream
> - Link to v1: https://lore.kernel.org/all/20241129-add-displayport-support-for-qcs615-platform-v1-0-09a4338d93ef@quicinc.com/
>
> ---
> Xiangxu Yin (14):
>       dt-bindings: phy: Add QMP USB3+DP PHY for QCS615
>       phy: qcom: qmp-usbc: Rename USB-specific ops to prepare for DP support
>       phy: qcom: qmp-usbc: Add DP-related fields for USB/DP switchable PHY
>       phy: qcom: qmp-usbc: Add regulator init_load support
>       phy: qcom: qmp-usbc: Move reset config into PHY cfg
>       phy: qcom: qmp-usbc: add DP link and vco_div clocks for DP PHY
>       phy: qcom: qmp-usbc: Move USB-only init to usb_power_on
>       phy: qcom: qmp-usbc: Add TCSR parsing and PHY mode setting
>       phy: qcom: qmp-usbc: Add DP PHY ops for USB/DP switchable Type-C PHYs
>       phy: qcom: qmp-usbc: Add USB/DP exclude handling
>       phy: qcom: qmp: Add DP v2 PHY register definitions
>       phy: qcom: qmp-usbc: Add QCS615 USB/DP PHY config and DP mode support
>       drm/msm/dp: move link-specific parsing from dp_panel to dp_link
>       drm/msm/dp: Add support for lane mapping configuration
>
>  .../bindings/phy/qcom,qcs615-qmp-usb3dp-phy.yaml   |  111 ++
>  drivers/gpu/drm/msm/dp/dp_ctrl.c                   |   10 +-
>  drivers/gpu/drm/msm/dp/dp_link.c                   |  118 +++
>  drivers/gpu/drm/msm/dp/dp_link.h                   |    5 +
>  drivers/gpu/drm/msm/dp/dp_panel.c                  |   78 +-
>  drivers/gpu/drm/msm/dp/dp_panel.h                  |    3 -
>  drivers/phy/qualcomm/phy-qcom-qmp-dp-phy-v2.h      |   21 +
>  drivers/phy/qualcomm/phy-qcom-qmp-qserdes-com-v2.h |  106 ++
>  .../phy/qualcomm/phy-qcom-qmp-qserdes-txrx-v2.h    |   68 ++
>  drivers/phy/qualcomm/phy-qcom-qmp-usbc.c           | 1072 ++++++++++++++++++--
>  drivers/phy/qualcomm/phy-qcom-qmp.h                |    3 +
>  11 files changed, 1427 insertions(+), 168 deletions(-)
> ---
> base-commit: 8e2755d7779a95dd61d8997ebce33ff8b1efd3fb
> change-id: 20250919-add-displayport-support-for-qcs615-platform-f885597b3573
>
> Best regards,